Home / 135,226.80-186,766.14-92,131.50

Finding the Fourth Proportional to 135,226.80, 186,766.14 and 92,131.50

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Solution

The fourth proportional to 135,226.80, 186,766.14 and 92,131.50 is: 127,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,226.80 : 186,766.14 = 92,131.50 : x
  2. Step 2: Convert to fraction form
    135,226.80/186,766.14 = 92,131.50/x
  3. Step 3: Cross multiply
    135,226.80x = 186,766.14 × 92,131.50
  4. Step 4: Simplify right side
    135,226.80x = 17,207,044,627.41
  5. Step 5: Solve for x
    x = 17,207,044,627.41/135,226.80
  6. Step 6: Final answer
    x = 127,245.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.